Purchasing-grade UGG lamb wool lace-up warm snow boots casual shoes.. The upper is made of cow suede leather and Australian lamb wool. The shoe last has smooth lines and a correct shape. The inner foot pads are all made of wool. They are very comfortable and warm. Neat workmanship. Stitching, rubber non-slip outsole, Size#35-39 (40 made to order, non-refundable), boots